Ceramics, Polymers & Composites (OCR GCSE Chemistry A (Gateway Science Suite)): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is a key property of ceramic materials?
What is a key property of ceramic materials?
High melting points
What three substances are used to make soda-lime glass?
What three substances are used to make soda-lime glass?
Sand, sodium carbonate, limestone
Why is borosilicate glass used instead of soda-lime glass in some applications?
Why is borosilicate glass used instead of soda-lime glass in some applications?
Higher temperature resistance
How are clay ceramics like bricks and pottery made?
How are clay ceramics like bricks and pottery made?
Shape wet clay then heat in a kiln
What are composite materials?
What are composite materials?
Materials made from 2+ substances
What is reinforced concrete made from?
What is reinforced concrete made from?
Cement poured around steel/iron rods
What do the properties of a polymer depend on?
What do the properties of a polymer depend on?
Monomers used & production conditions
Under what conditions is LDPE produced?
Under what conditions is LDPE produced?
Moderate temperature & high pressure
What is LDPE commonly used for?
What is LDPE commonly used for?
Plastic bags and bottles
How is HDPE produced?
How is HDPE produced?
Low temp & pressure, using catalyst
What is a key feature of thermosetting polymers?
What is a key feature of thermosetting polymers?
Cross-links between polymer chains
What happens to thermosoftening polymers when heated?
What happens to thermosoftening polymers when heated?
They melt